package com.cyan.app.workflow.util;

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Encrypt {

	public static String md5Encryption(String str) {
		String result = null;
		try {
			MessageDigest md = MessageDigest.getInstance("MD5");
			try {
				md.update(str.getBytes("UTF-8"));
			} catch (UnsupportedEncodingException e) {

			}
			byte b[] = md.digest();
			int i;

			StringBuffer buf = new StringBuffer("");
			for (int offset = 0; offset < b.length; offset++) {
				i = b[offset];
				if (i < 0)
					i += 256;
				if (i < 16)
					buf.append("0");
				buf.append(Integer.toHexString(i));
			}
			result = buf.toString();
		} catch (NoSuchAlgorithmException e) {

		}
		return result.toUpperCase();
	}
}